btrfs: rename tree-defrag.c to defrag.c

This currently has only one helper in it, and it's for tree based
defrag.  We have the various defrag code in 3 different places, so
rename this to defrag.c.  Followup patches will move the code into this
new file.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/Makefile b/fs/btrfs/Makefile
index bb170c9d030db5b7dad96f48ae7fd35d7a562e62..84fb3b4c35b0743ec592562cc37166cafc234db1 100644 (file)
--- a/fs/btrfs/Makefile
+++ b/fs/btrfs/Makefile
@@ -23,7 +23,7 @@ obj-$(CONFIG_BTRFS_FS) := btrfs.o
 
 btrfs-y += super.o ctree.o extent-tree.o print-tree.o root-tree.o dir-item.o \
           file-item.o inode-item.o disk-io.o \
-          transaction.o inode.o file.o tree-defrag.o \
+          transaction.o inode.o file.o defrag.o \
           extent_map.o sysfs.o accessors.o xattr.o ordered-data.o \
           extent_io.o volumes.o async-thread.o ioctl.o locking.o orphan.o \
           export.o tree-log.o free-space-cache.o zlib.o lzo.o zstd.o \

diff --git a/fs/btrfs/tree-defrag.c b/fs/btrfs/defrag.c
similarity index 100%
rename from fs/btrfs/tree-defrag.c
rename to fs/btrfs/defrag.c